Swing seat



FIG. 1 is a front perspective view of a swing seat showing my new design;

FIG. 2 is an end elevational view, the opposite end being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a swing seat, as shown and described. 